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Household water purifier water dispenser selection guide: understand the filtration technology focus on water quality needs focus on brand after-sales service

Water filtered from water purifiers on the market is generally categorized into two types, purified water and pure water. Among them, pure water refers to H2O without impurities. Tap water is filtered through RO (reverse osmosis) membranes, which can remove heavy metals, organics, scale, bacteria, viruses and other harmful substances, filter out minerals, and turn into pure water. Pure water contains almost no other substances and can be drunk straight.

Now a lot of people say that the water purifier to buy ZERO WATER, many manufacturers are also publicizing 0 ZERO WATER water purifier.
The market publicity and everyone understands the “0 water” is actually the first cup of water TDS value is relatively high problem.

Activated carbon filter is basically the same as multi-media filter in structure, the difference is that it is equipped with activated carbon with strong adsorption function, which is used for removing organic matter not removed by filtration and adsorbing residual chlorine in water, so that residual chlorine in effluent water is ≤ 0.1mg/L, SDI ≤ 4. Chlorine belongs to strong oxidizing agent, and it has a destructive effect on various types of membranes, especially reverse osmosis membrane is very sensitive to residual chlorine, therefore, for pure water production line which takes city tap water as water source, the more important function is to adsorb residual chlorine in water, which plays the role of protecting RO membrane. Therefore, for the pure water production line using city tap water as the water source, the main function of activated carbon is to adsorb the residual chlorine in the water and protect the RO membrane.